Calculate measure using dates

I am facing difficulty to calculate date difference of two dates
Dimension contains ID, Name, CreateDate, CloseDate
I would like to calculate CreateDate - CloseDate but i am getting #error by creating calculate measure within the CUBE
datediff("d",[Dim].[CreateDate].currentmember.membervalue,[Dim].[CloseDate].currentmember.membervalue)
but same statement is working using MDX
with Member [Measures].[Age] as
datediff("d",[Dim].[CreateDate].currentmember.membervalue,[Dim].[CloseDate].currentmember.membervalue)
select [Age] on 0,
{[Dim].[Id].children*[Dim].[CloseDate].children*[Dim].[CreateDate].children} on 1
from [cube]
Any idea, where am i doing mistake OR what is the way to calculate within the cube?
RaghuM

Hi Raghum,
According to your description, there are two columns CreteDate and CloseDate in your table, you want to add a calculation to calculate the value (CreateDate-CloseDate), right?
In this case, you can add a calculation to your data source view, and then use the calculated column as the new measures. A named calculation is a SQL expression represented as a calculated column. This expression appears and behaves as a column in the table.
Please refer to the link below to see the details.
http://msdn.microsoft.com/en-us/library/ms174859.aspx
Besides, here is a similar issue with your, please see:
http://social.msdn.microsoft.com/forums/sqlserver/en-US/7cbf7471-141f-48ee-a6e3-2f3298dca2eb/date-difference-calculation-in-ssas
Regards,
Charlie Liao
TechNet Community Support

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